TY  - BOOK
AU  - Brueckner, Leo J. 
AU  - Mertton, Elda L. 
AU  - Grossnickle, Foster E. 
TI  - Making Number Discoveries
U1  - 372.7 
PY  - 1960///
CY  - New York
PB  - Hjolt, Rinnehart and Winston, Inc
KW  - Arithmetic
ER  -